View mn6479a datasheet:

For Audio Equipment MN6479A D/A Converter for Digital Audio Equipment Overview Pin Assignment The MN6479A is a CMOS digital-to-analog converter by noise shaping technology and is designed for PCM digital audio equipment. It features a built-in 8 times ZFLG 1 28 N.C. oversampling and 16-bit input digital filter. LRCLK 2 27 N.C. It includes a digital de-emphasis circuit and analog post BCLK 3 26 N.C. filter to reduce the parts count and power consumption SRDATA 4 25 XOUT of the overall D/A conversion system. COT1 5 24 LRPOL And also, it includes two noise-shaping 1-bit D/A con- COT2 6 23 XSTOP verters, one each for the left and right channels. TEST 7 22 DEMPH VDD 8 21 DS Features XO 9 20 TP Built-in 8 times oversampling digital filter XI 10 19 PWML Built-in 2nd ord